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wif_regen.tcl
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1996-12-12
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#---------------------------------------------------------------------------
#
# Copyright (c) 1995 by Westmount Technology B.V., Delft, The Netherlands.
#
# This software is furnished under a license and may be used only in
# accordance with the terms of such license and with the inclusion of
# the above copyright notice. This software or any other copies thereof
# may not be provided or otherwise made available to any other person.
# No title to and ownership of the software is hereby transferred.
#
# The information in this software is subject to change without notice
# and should not be construed as a commitment by Westmount Technology B.V.
#
#---------------------------------------------------------------------------
#
# File : @(#)wif_regen.tcl /main/titanic/1
# Original date : 10-02-1995
# Description :
#
#---------------------------------------------------------------------------
#
# @(#)wif_regen.tcl /main/titanic/1 12 Dec 1996 Copyright 1995 Westmount Technology B.V.
#
#---------------------------------------------------------------------------
# Array with valid Visual Class Names that can be used in wif file
global VCN
set VCN(ixBox) 1
set VCN(ixButton) 1
set VCN(ixCheckBox) 1
set VCN(ixEditListBox) 1
set VCN(ixFrame) 1
set VCN(ixLabel) 1
set VCN(ixLine) 1
set VCN(ixListBox) 1
set VCN(ixMenu) 1
set VCN(ixPictureButton) 1
set VCN(ixRadioButton) 1
set VCN(ixSuperField) 1
set VCN(ixSuperTable) 1
set VCN(ixTextBox) 1
set VCN(ixWindow) 1
# global reg exp string for 'start/end of object' detection
global exp_wif_begin
set exp_wif_begin {^[ ]*BEGIN[ ]+(ix[a-zA-Z]+)[ ]+([_0-9a-zA-Z]+)$}
global exp_wif_end
set exp_wif_end {^[ ]*END$}
# global reg exp string for 'start/end handler' detection
global exp_wif_handler
set exp_wif_handler {^[ ]*[@]?handler}
global exp_wif_end_handler
set exp_wif_end_handler {^[ ]*end handler$}
proc prepare_wif_regeneration {class} {
class2wiftgtfile $class wif_file
if {![fstorage::exists $wif_file]} {
return
}
if [catch {set fd [fstorage::open $wif_file r]}] {
return
}
check_wif $class $fd
seek $fd 0
process_wif_file $fd
fstorage::close $fd
}
# Perform some simple checks on wif file
# - root object must be a window
# - multiple object names
# - matching BEGIN/END
# - valid object name after BEGIN
# - matching handler/end handler
#
proc check_wif {class fd} {
global VCN
global exp_wif_begin
global exp_wif_end
global exp_wif_handler
global exp_wif_end_handler
set indent_level 0
set in_handler 0
set line [gets $fd]
if {[eof $fd]} {
return
}
set has_version 0
if {[string match "VERSION *" $line]} {
set line [gets $fd]
if {[eof $fd]} {
return
}
set has_version 1
}
if {![string match "BEGIN ixWindow *" $line]} {
error [no_root_window $class] "" ERR_REGEN
return
}
while {![eof $fd]} {
if {[regexp $exp_wif_begin $line dummy visual_class_name \
object_name]} {
if {[info exist wif_objs($object_name)]} {
error [multiple_object_names $class \
$object_name] "" ERR_REGEN
} else {
set wif_objs($object_name) 1
}
if !$in_handler {
incr indent_level
if {![info exist VCN($visual_class_name)]} {
error [invalid_visual_class_name \
$class $visual_class_name]\
"" ERR_REGEN
}
}
set line [gets $fd]
continue
}
if {[regexp $exp_wif_end $line]} {
if !$in_handler {
incr indent_level -1
}
set line [gets $fd]
continue
}
if {[regexp $exp_wif_handler $line]} {
if $in_handler {
error [handler_no_match $class] "" ERR_REGEN
}
set in_handler 1
set line [gets $fd]
continue
}
if {[regexp $exp_wif_end_handler $line]} {
if !$in_handler {
error [handler_no_match $class] "" ERR_REGEN
}
set in_handler 0
set line [gets $fd]
continue
}
set line [gets $fd]
}
if $in_handler {
error [handler_no_match $class] "" ERR_REGEN
}
if {$indent_level != 0} {
error [begin_end_no_match $class] "" ERR_REGEN
}
}
proc process_wif_file {fd} {
global wif_regen
global exp_wif_begin
set line [gets $fd]
if {[eof $fd]} {
return
}
#puts "1 $line"
if {[regexp {VERSION (.*)} $line dmy version]} {
set wif_regen(VERSION) $version
set line [gets $fd]
#puts "2 $line"
}
if {![regexp $exp_wif_begin $line dmy class_name object_name]} {
return
}
set wif_obj ${class_name}${object_name}
set wif_regen(OBJECTS) $wif_obj
process_wif_object $wif_obj $line $fd
}
proc process_wif_object {wif_obj line fd} {
global exp_wif_begin
global exp_wif_end
global exp_wif_handler
global exp_wif_end_handler
global ${wif_obj}
set ${wif_obj}(BEGIN) $line
set line [gets $fd]
#puts "3 $line"
while {![eof $fd]} {
if {[regexp $exp_wif_begin $line dmy class_name object_name]} {
set new_wif_obj ${class_name}${object_name}
lappend ${wif_obj}(OBJECTS) $new_wif_obj
process_wif_object $new_wif_obj $line $fd
set line [gets $fd]
#puts "4 $line"
continue
}
if {[regexp $exp_wif_end $line]} {
set ${wif_obj}(END) $line
return
}
if {[regexp $exp_wif_handler $line]} {
set hdlr $line
set line [gets $fd]
#puts "5 $line"
while {![regexp $exp_wif_end_handler $line]} {
append hdlr "\n$line"
set line [gets $fd]
#puts "6 $line"
}
append hdlr "\n$line"
lappend ${wif_obj}(HANDLERS) $hdlr
set line [gets $fd]
#puts "7 $line"
continue
}
lappend ${wif_obj}(PROPS) $line
set line [gets $fd]
#puts "8 $line"
}
}
proc print_wif_regen {} {
global wif_regen
if ![info exists wif_regen] {
puts "Empty wif file"
return
}
if {[info exist wif_regen(VERSION)]} {
puts "VERSION $wif_regen(VERSION)"
}
if {[info exist wif_regen(OBJECTS)]} {
print_wif_object $wif_regen(OBJECTS)
}
}
proc print_wif_object {wif_obj} {
global ${wif_obj}
puts [set ${wif_obj}(BEGIN)]
if [info exists ${wif_obj}(PROPS)] {
foreach p [set ${wif_obj}(PROPS)] {
puts $p
}
}
if [info exists ${wif_obj}(OBJECTS)] {
foreach o [set ${wif_obj}(OBJECTS)] {
print_wif_object $o
}
}
if [info exists ${wif_obj}(HANDLERS)] {
foreach h [set ${wif_obj}(HANDLERS)] {
puts $h
}
}
puts [set ${wif_obj}(END)]
}
proc wif_regen::get_prop_value {wif_obj_type wif_obj_name prop_name} {
set wif_obj ${wif_obj_type}${wif_obj_name}
global $wif_obj
if {![info exist ${wif_obj}(PROPS)]} {
return ""
}
set exp_prop {^[ ]*}
append exp_prop $prop_name
append exp_prop { (\*=|@=|=) (.*)?}
set index [lsearch -regexp [set ${wif_obj}(PROPS)] $exp_prop]
if {$index == -1} {
return ""
}
set prop [lindex [set ${wif_obj}(PROPS)] $index]
regexp $exp_prop $prop dummy1 dummy2 value
return $value
}
proc wif_regen::update_prop_value {wif_obj_type wif_obj_name prop_name value} {
set wif_obj ${wif_obj_type}${wif_obj_name}
global $wif_obj
if {![info exist ${wif_obj}(PROPS)]} {
return
}
set exp_prop {^[ ]*}
append exp_prop $prop_name
append exp_prop { (\*=|@=|=)}
set index [lsearch -regexp [set ${wif_obj}(PROPS)] $exp_prop]
if {$index == -1} {
return
}
set prop "$prop_name = $value"
set ${wif_obj}(PROPS) \
[lreplace [set ${wif_obj}(PROPS)] $index $index $prop]
}
proc wif_regen::get_contained_wif_objs {wif_containobj_type \
wif_containobj_name {wif_obj_type NULL}} {
set wif_containobj ${wif_containobj_type}${wif_containobj_name}
global $wif_containobj
if {![info exist ${wif_containobj}(OBJECTS)]} {
return ""
}
set wif_objs ""
foreach o [set ${wif_containobj}(OBJECTS)] {
if {$wif_obj_type != "NULL"} {
set pattern ${wif_obj_type}*
if {![string match $pattern $o]} {
continue
}
}
lappend wif_objs $o
}
return $wif_objs
}
proc wif_regen::get_contained_wif_obj_names {wif_containobj_type \
wif_containobj_name {wif_obj_type NULL}} {
set wif_objs [wif_regen::get_contained_wif_objs $wif_containobj_type \
$wif_containobj_name $wif_obj_type]
set wif_obj_names ""
foreach o $wif_objs {
regsub $wif_obj_type $o "" nm
lappend wif_obj_names $nm
}
return $wif_obj_names
}
proc no_root_window {class} {
class2wiftgtfile $class wif_file
set msg "ERROR: Wif generation for class '[$class getName]' failed:\n"
append msg " file '$wif_file' contains no root window object"
return $msg
}
proc multiple_object_names {class object_name} {
class2wiftgtfile $class wif_file
set msg "ERROR: Wif generation for class '[$class getName]' failed:\n"
append msg " file '$wif_file' contains multiple wif objects\
named '$object_name'"
return $msg
}
proc invalid_visual_class_name {class visual_class_name} {
class2wiftgtfile $class wif_file
set msg "ERROR: Wif generation for class '[$class getName]' failed:\n"
append msg " file '$wif_file' contains invalid class name\
'${visual_class_name}'"
return $msg
}
proc handler_no_match {class} {
class2wiftgtfile $class wif_file
set msg "ERROR: Wif generation for class '[$class getName]' failed:\n"
append msg " file '$wif_file' contains unmatched 'handler' or\n"
append msg " 'end handler' statement"
return $msg
}
proc begin_end_no_match {class} {
class2wiftgtfile $class wif_file
set msg "ERROR: Wif generation for class '[$class getName]' failed:\n"
append msg " file '$wif_file' contains unmatched 'BEGIN' or
append msg " 'END' statement"
return $msg
}